What is "pku"

The pku, alternatively spelled pzuk, is an Armenian musical instrument, similar to a clarinet. It has been called the national instrument of Armenia. The pku is a single-reed aerophone with seven holes and a one octave range with the open cone of a bull horn at one end.

PKU can refer to:

• Phenylketonuria, a genetic disease
• Peking University, Beijing, China
• Pku, an Armenian musical instrument
• Sultan Syarif Kasim II International Airport, Pekanbaru, Riau, Indonesia, IATA code